//
// Created by wze-zero on 2024/9/8 008.
//
#include <iostream>

using namespace std;

int main() {
    int num;
    while (cin >> num){
    switch (num) {
        case 200:
            cout << "OK" << endl;
            break;
        case 202:
            cout << "Accepted" << endl;
            break;
        case 400:
            cout << "Bad Request" << endl;
            break;
        case 403:
            cout << "Forbidden" << endl;
            break;
        case 404:
            cout << "Not Found" << endl;
            break;
        case 500:
            cout << "Internal Server Error" << endl;
            break;
        case 502:
            cout << "Bad Gateway" << endl;
            break;
        default:
            break;
    }
    }
    return 0;
}